Table 1 Typical researches of removal efficiency of organic pollutants by bulk nanobubble-based advanced oxidation
From: Role of bulk nanobubbles in removing organic pollutants in wastewater treatment
Organic pollutant | Technology | Gas source | Removal rate | Mechanism | Reference |
|---|---|---|---|---|---|
Dark green Rit dye | Nanobubbles alone; ultrasonic nanobubbles; nanobubbles/H2O2 | Air | 90% | Surface charge attraction; ·OH, HO2·, O2· | (Bui and Han 2020) |
Sodium dodecyl benzene sulfonate | Nanobubbles/vacuum ultraviolet system | Oxygen | 99.8% | ·OH | (Tasaki et al. 2009) |
Oxytetracycline | Nanobubbles with photodegradation | Oxygen | 98% | ·OH | (Wang et al. 2020) |
1,4-Dioxane | Nanobubble system | Ozone | 98.5% | ·OH | (Maie et al. 2020) |